ingest-rest: IngestTokenRegistrar use static ims host
Static IMS_HOST is used to create AceToken in IngestTokenRegistrar.java#L89. The ims endpoint configured in AceConfiguration should be used to create AceToken.
Static IMS_HOST is used to create AceToken in IngestTokenRegistrar.java#L89. The ims endpoint configured in AceConfiguration should be used to create AceToken.